NPPES file of Aug 9, 2026

William Grochowski, PHARM.D.

Pharmacist · Wynnewood, PA

William Grochowski, PHARM.D. is a pharmacist with a practice address in Wynnewood, Pennsylvania, and NPI 1619186418, issued on May 21, 2007. Check the license (Pennsylvania RP043615L, as entered in NPPES) with the Pennsylvania board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619186418
Name
William Grochowski
Credential
PHARM.D.
Primary taxonomy
Pharmacist 183500000X
License number
RP043615L PA
Self-reported in NPPES; status is on the state search
Practice location
100 E Lancaster Ave, Wynnewood, PA 19096
Phone
(610) 645-2047
Enumerated
May 21, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

8 nearest pharmacist records → All 13,059 in Pennsylvania → Look up another NPI →

Also registered at 100 E Lancaster Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Nicholas Abate, DOStudent in an Organized Health Care Education/Training Program1508568676
  2. John Abramson, M.D.Gastroenterology Physician1710953633
  3. Sandra Abramson, MDCardiovascular Disease Physician1275538282
  4. Olivia Ackley, MDInternal Medicine Physician1174453930
  5. Ashley Adams, CRNPWomen's Health Nurse Practitioner1497225635
  6. Bonnie Adelman, M.S.P.A.Audiologist1568718088

Verify William Grochowski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license RP043615L    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

William Grochowski among 13,059 pharmacist records in Pennsylvania

William Grochowski, PHARM.D. is one of 13,059 pharmacist records with a practice address in Pennsylvania. under 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 6% of them.

  • NPI issued2007 · 6% of these records are older, 88% newer
  • In a Medicare fileNo · under 1% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2007 · 77% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 183500000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

21 pharmacist records list a practice address in Wynnewood

They are 21 of the 1,246 NPPES records with a practice address in Wynnewood, and 13,059 pharmacist records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 13,059 in Pennsylvania → Every provider in Wynnewood → Pharmacist nationwide →

The 8 pharmacist records with the nearest ZIP codes

  1. Paul Burrichter, R.PH.Wynnewood, PA 190961386779429
  2. Jennifer Busillo, PHARMDWynnewood, PA 190961336422815
  3. Marisa Gardin, PHARMDWynnewood, PA 190961760782262
  4. Julie Gwin, PHARM.D.Wynnewood, PA 190961477762102
  5. Tyler Johnson, PHARM.D.Wynnewood, PA 190961588099923
  6. Kasey Krutski, PHARMDWynnewood, PA 190961679916555
  7. Lai Kwan Louie, RPHWynnewood, PA 190961003183377
  8. Canh Nguyen, RPHWynnewood, PA 190961912158510

Common questions

What is William Grochowski, PHARM.D.'s NPI number?

William Grochowski, PHARM.D.'s National Provider Identifier (NPI) is 1619186418, issued on May 21, 2007. An NPI identifies a provider in billing; it is not a license.

Where is William Grochowski, PHARM.D. located?

The NPPES record lists a practice address at 100 E Lancaster Ave, Wynnewood, PA, 19096. Phone: (610) 645-2047. Providers update this record themselves, so call before visiting.

How can I verify William Grochowski, PHARM.D.'s license?

NPPES lists Pennsylvania license number RP043615L, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.